Operation Manual – MulticastH3C S7500 Series Ethernet Switches Chapter 6 IGMP Configuration6-13When the suppression on IGMP report messages is enabled, the Layer 3 switch willreceive only the first IGMP report message from the hosts in a multicast group and dropthe other IGMP report messages from the multicast group.Follow these steps to configure suppression on IGMP report messages:To do... Use the command... RemarksEnter system view system-view —Configuresuppression on IGMPreport messagesigmpreport-aggregationRequiredBy default, the suppression onIGMP report messages is disabled.6.2.7 Removing the Joined IGMP Groups from the InterfaceYou can remove all the joined IGMP groups on all ports of the router or all the joinedIGMP groups on the specified interfaces, or remove a specified IGMP group address orgroup address network segment on the specified interface.Perform the following configuration in user view.Follow these steps to remove the joined IGMP groups from the interface:To do... Use the command... RemarksRemove the joined IGMPgroups from the interfacereset igmp group { all | interfaceinterface-type interface-number { all |group-address [ group-mask ] } }OptionalCaution:When an IGMP group is removed from an interface, the IGMP group can join theinterface again.6.3 Displaying and Maintaining IGMPTo do... Use the command... RemarksDisplay the membershipinformation of the IGMPmulticast groupdisplay igmp group[ group-address | interfaceinterface-type interface-number ]Display the IGMPconfiguration and runninginformation of the interfacedisplay igmp interface[ interface-type interface-number ]Available inany view
